Agenus Inc., a clinical-stage immuno-oncology company, engages in advancing a pipeline of immune checkpoint antibodies, adoptive cell therapies and neoantigen cancer vaccines, to fight cancer. The company offers Retrocyte Display, an antibody discovery platform for the identification of fully-human and humanized monoclonal antibodies; and display technologies. In addition, the company develops vaccine programs, including Prophage vaccine candidate; AutoSynVax, a synthetic neoantigen; PhosPhoSynVax, a vaccine candidate designed to induce immunity against a class of tumor specific neoepitopes; and QS-21 Stimulon adjuvant, a saponin-based vaccine adjuvant. Further, it develops CTLA-4 and PD-1 antagonists which is in clinical trial phase I for the dose escalation study; AGEN2373, an anti-CD137 monospecific antibody which is in Phase 1 clinical trial; AGEN1223, a novel bispecific antibody designed to deplete regulatory T cells which is in a Phase 1 clinical trial; GS-1423, a tumor microenvi